Asteroids

2022WO7

Last update: 2023-02-05 14:32 UTC

Orbital Properties

Epoch

60000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.970

Aphelion (Q)

1.066

Eccentricity (e)

0.047

Inclination (i)

19.9

deg

Orbit period (P)

375.2

Earth MOID

0.00035

U parameter

6.6

Next Earth close approach

Date

2023-05-27

Nominal distance (from Earth center)

0.08006

11976353

Maximum Brightness

22.1

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.5

mag

Diameter

40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-11-26

Observatory

Pan-STARRS 1, Haleakala

Orbit Visualiser

Click the button to start Orbit Visualiser

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion
Aphelion
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.018137

1-sigma variation

0.000075

Unit

Eccentricity (e)

Value

0.047441

1-sigma variation

0.000020

Unit

Inclination (i)

Value

19.8841

1-sigma variation

0.0105

Unit

Ascending Node (Ω)

Value

247.7908

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

272.1950

1-sigma variation

0.0687

Unit

Mean Anomaly (M)

Value

357.03009

1-sigma variation

0.06165

Unit

Perihelion

Value

0.969836

1-sigma variation

Unit

Aphelion

Value

1.066439

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.000356

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.030622

1-sigma variation

Unit

MOID

Value

0.000351

1-sigma variation

Unit

Orbit Period

Value

375.2391

1-sigma variation

Unit

U parameter

Value

6.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.69939E-9	1.47649E-9	7.91137E-7	2.84105E-8	-5.18861E-6	4.65402E-6
e	1.47649E-9	3.82886E-10	2.04990E-7	7.36224E-9	-1.34408E-6	1.20564E-6
i	7.91137E-7	2.04990E-7	1.09829E-4	3.94407E-6	-7.20215E-4	6.46013E-4
Ω	2.84105E-8	7.36224E-9	3.94407E-6	1.41650E-7	-2.58634E-5	2.31988E-5
ω	-5.18861E-6	-1.34408E-6	-7.20215E-4	-2.58634E-5	4.72365E-3	-4.23696E-3
M	4.65402E-6	1.20564E-6	6.46013E-4	2.31988E-5	-4.23696E-3	3.80042E-3

Date of computation: 2022-12-25 11:58 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

24.548

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

40*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.620842

Unit

arcsec

Source

[1]

First Observation

Value

2022-11-26.562236

Unit

Source

[2]

Last Observation

Value

2022-12-14.22334

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

74 (1)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close approaches for 2022WO7 from to 2123

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1950-11-30 10:44	> 1 d	0.0621111	0.0344969	0.0886616
EARTH	1951-05-25 20:21	> 1 d	0.1204079	0.0002063	0.1177989
EARTH	1951-12-01 05:49	934.4	0.1146383	0.0287996	0.1291465
EARTH	1952-05-30 07:54	> 1 d	0.0440196	0.0019258	0.1443651
EARTH	1985-11-29 03:34	501.9	0.1766225	0.1047857	0.0244365
EARTH	1986-11-30 20:43	131.6	0.0313921	0.0313902	0.0001950
EARTH	1987-05-27 12:39	911.3	0.0669007	0.0032064	0.0212684
EARTH	1987-12-01 01:56	176.4	0.1709257	0.1087772	0.0210592
EARTH	1988-06-01 08:13	1038.4	0.1006845	0.0352494	0.0218150
EARTH	2021-11-29 02:04	15.5	0.1847155	0.1826278	0.0006960
EARTH	2022-11-30 20:41	< 1 s	0.0327363	0.0326849	0.0000171
EARTH	2023-05-27 02:32	20.2	0.0800570	0.0793516	0.0002355
EARTH	2023-12-01 05:03	3.4	0.1576227	0.1555996	0.0006746
EARTH	2024-05-31 20:11	29.8	0.0839511	0.0812048	0.0009157
EARTH	2058-11-29 22:54	291.4	0.1346099	0.0748384	0.0205455
EARTH	2059-12-01 08:22	72.1	0.0471079	0.0313329	0.0157743
EARTH	2060-05-27 21:40	965.9	0.0342324	0.0012497	0.0212509
EARTH	2061-06-02 14:06	649.5	0.1272822	0.0831418	0.0147137
EARTH	2096-11-30 03:27	> 1 d	0.0587183	0.0303660	0.1907543
EARTH	2097-05-25 07:27	> 1 d	0.1249487	0.0018702	0.2108430
EARTH	2097-12-01 01:02	253.2	0.1115596	0.0326381	0.2013655
EARTH	2098-05-30 15:35	> 1 d	0.0330951	0.0016159	0.1966232

Download as:

2022WO7

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2096-05-29.032	86757.032	-4.669	0.40 ± 0.026	9.07E3	2.33E-9	6.28E-9	-8.63
2107-05-30.781	90774.781	1.291	1.08 ± 0.009	1.36E5	2.59E-6	7.00E-6	-5.65
2112-05-30.031	92601.031	1.389	0.24 ± 0.000	2.98E6	1.49E-7	4.03E-7	-6.91


Based on 74 optical observations (of which 1 are rejected as outliers) from 2022/11/26.562 to 2022/12/14.223.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.48 and 1.48 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20221225 131009.084 UTC.

Download this part as:

Download Impactor Table as: